I think davorak is right, malux85 never says lack of understanding implies stupidity. I'd go even further. I don't read malux85's comment as an attack on your understanding personally. I read it as referring to people like the blog post author, who clearly don't understand the basics of the tools they're complaining about.
No one is screaming in rage about anything here. We do tend to get frustrated hearing complaints from people that are unwilling to take even the smallest amount of time to learn before complaining about the state of things.
Then in the NEXT PARAGRAPH, you tell me that I don't understand command line tools.
I have been using them for decades. I know them very, VERY well. I am saying all of this from a position of long and deep familiarity with the tools.
Yet immediately you jump the conclusion that I just don't know what I am talking about.